Humminbird 531444-1_A, 323, 300 series manual Surface Clutter, Noise Filter, Max Depth

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Surface Clutter

(Advanced)

Surface Clutter adjusts the filter that removes surface clutter noise caused by algae and aeration. The lower the setting, the less surface clutter will be displayed. The Surface Clutter menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

Surface

Clutter

To change the Surface Clutter setting:

1.Make sure you are in Advanced User Mode, then highlight Surface Clutter on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Surface Clutter setting. (Low = 1 to High = 10, Default = 5)

Noise Filter

(Advanced)

Noise Filter adjusts the sonar Noise Filter to limit interference on the display from sources such as your boat engine, turbulence, or other sonar devices. The Noise Filter menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

NOTE: The Off setting removes all filtering; Low, Medium and High settings add progressive filtering of the sonar returns. In some deep water situations, the High setting may actually hinder your unit’s ability to find the bottom.

To change the Noise Filter setting:

1.Make sure you are in Advanced User Mode, then highlight Noise Filter on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Noise Filter setting. (Off, Low, Medium, High1, High2, High3, Default = Low)

Max Depth

(Advanced)

Max Depth adjusts the maximum depth of operation. The performance of your Fishing System can be tuned to the maximum depth you will be fishing in by setting the Max Depth. When a maximum depth is set, your Fishing System will not attempt to acquire sonar data below that depth, thus increasing overall performance. When Max Depth is set to Auto, the Fishing System will acquire bottom readings as needed (within the capacity of the unit). If the bottom is deeper than the Max Depth setting, the digital depth readout will flash, indicating that the Fishing System cannot locate the bottom. The Max Depth menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).

To change the Max Depth setting:

1.Make sure you are in Advanced User Mode, then highlight Max Depth on the Sonar main menu.

2.Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth setting. (AUTO, 10 to 1000 feet, 3 to 330 meters [International Models Only], Default = AUTO)

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Contents Operations Manual Thank You Table of ContentsSpecifications Glossary Contact Humminbird Alarms Menu TabSetup Menu Tab TroubleshootingHow Sonar Works DualBeam Plus Sonar Soft Bottom RTS Real Time Sonar Window What’s On the DisplayBait Ball Hard Bottom Rocky Bottom Temperature water Do Not print this Sonar View ViewsFreeze Frame Understanding Sonar HistoryReal Time Sonar RTS Window Bottom Presentation 200/83 kHz Split Sonar View Sonar Zoom ViewCircular Flasher View POWER/LIGHT KeyBig Digits View Key FunctionsExit Key Powering Up the UnitMenu Key WAY Cursor Control KeyMenu System Sonar Tab, Normal Mode Sonar Tab, Advanced ModeSimulator Start-Up Options MenuNormal Operation Operation and the input voltage Accessory Test lists the accessories connected to SystemExit System Status by powering your Fishing System off System Status Sonar X-PressTMMenuUpper Range To adjust the SensitivityTo adjust the Upper Range SensitivityLower Range Chart SpeedTo adjust the Lower Range To adjust the Chart SpeedBottom Range Zoom LevelBottom Lock Highlight Beam Select on the Sonar main menu Sonar Menu TabBeam Select To use Beam SelectFish ID Sensitivity To change the Fish ID Sensitivity settingTo change the RTS Window setting Fish ID+TMDepth Lines Zoom WidthKHz Sensitivity Max Depth Surface ClutterNoise Filter Water Type Alarms Menu TabTo change the Water Type setting Temp Alarm Depth AlarmFish ID Alarm Low Battery AlarmHighlight Alarm Tone on the Alarms main menu Alarm ToneSetup Menu Tab To change the Alarm Tone settingUnits Distance User ModeUnits Depth Units TempSelect Views Triplog ResetRestore Defaults Temp Offset Select ReadoutsDepth Offset Speed Calibration TroubleshootingTo change the Speed Calibration setting Isolation Display ProblemsProblem Possible Cause Finding the Cause of NoiseSonar Terms SpecificationsGlossary 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM Receiver See Transmitter 531444-1A 323ManEnglish.qxd 11/5/2005 1234 PM Contact Humminbird
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